REVENUE - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Total Revenues	$ 12,269	$ 12,201	$ 23,470	$ 24,066
Net product sales
Disaggregation of Revenue [Line Items]
Total Revenues	11,909	11,925	22,794	23,484
Alliance revenues
Disaggregation of Revenue [Line Items]
Total Revenues	119	116	208	250
Other revenues
Disaggregation of Revenue [Line Items]
Total Revenues	$ 241	$ 160	$ 468	$ 332

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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